I got a solution now. It's the adapter that's not working properly, due to this, just the LOS blinking happened. I changed the adapter to another 9V power adapter and its working fine now. Just in...

I had bought XZ000-G7 XPON Terminal, and after just 10 days of usage, just the LOS signal keeps on blinking when connected to a power supply. Even after connection with the PON and LAN terminal, just...